Daniel D. Lofgreen, Ph.D.

Affiliations: 
2004 University of California, Santa Barbara, Santa Barbara, CA, United States 
Area:
Electronics & Photonics
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"Daniel Lofgreen"

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Larry A. Coldren grad student 2004 UC Santa Barbara
 (Investigation of selective quantum well intermixing in vertical cavity lasers.)
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Publications

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Lofgreen DD, Chang YC, Coldren LA. (2007) Vertical-cavity surface-emitting lasers with lateral carrier confinement Electronics Letters. 43: 163-164
Bornfreund R, Rosbeck JP, Thai YN, et al. (2007) High-performance LWIR MBE-grown HgCdTe/Si focal plane arrays Journal of Electronic Materials. 36: 1085-1091
Feezell D, Buell DA, Lofgreen D, et al. (2006) Optical design of InAlGaAs low-loss tunnel-junction apertures for long-wavelength vertical-cavity lasers Ieee Journal of Quantum Electronics. 42: 494-499
Coldren LA, Skogen EJ, Raring JW, et al. (2005) Active photonic integrated circuits Conference Proceedings - International Conference On Indium Phosphide and Related Materials. 2005: 160-162
Stoltz NG, Rakher M, Strauf S, et al. (2005) High-quality factor optical microcavities using oxide apertured micropillars Applied Physics Letters. 87
Koda R, Wang CS, Lofgreen DD, et al. (2005) High-differential-quantum-efficiency, long-wavelength vertical-cavity lasers using five-stage bipolar-cascade active regions Applied Physics Letters. 86: 1-3
Morrison GB, Wang CS, Skogen EJ, et al. (2005) 980 nm DBR lasers monolithically integrated with EA modulators for optical interconnect applications Optics Infobase Conference Papers
Wang CS, Nolde JA, Lofgreen DD, et al. (2004) A monolithic diode laser chemical sensor with a quasi-symmetrical sensing waveguide for improved sensitivity Applied Physics Letters. 85: 320-322
Reddy MHM, Buell DA, Huntington AS, et al. (2003) Al0.95Ga0.05As0.56Sb0.44 for lateral oxide-confinement layer in InP-based devices Applied Physics Letters. 82: 1329-1331
Wang CS, Cohen DA, Nolde JA, et al. (2003) A diode laser chemical sensor utilizing an oxidized lower cladding layer for high sensitivity Conference Proceedings - Lasers and Electro-Optics Society Annual Meeting-Leos. 2: 989-990
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